Finding the Fourth Proportional to 242,549.13, 334,718.22 and 135,122.99
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Solution
The fourth proportional to 242,549.13, 334,718.22 and 135,122.99 is: 186,469.95
Step by Step Solution
- Step 1: Write the proportion equation
242,549.13 : 334,718.22 = 135,122.99 : x - Step 2: Convert to fraction form
242,549.13/334,718.22 = 135,122.99/x - Step 3: Cross multiply
242,549.13x = 334,718.22 × 135,122.99 - Step 4: Simplify right side
242,549.13x = 45,228,125,527.00 - Step 5: Solve for x
x = 45,228,125,527.00/242,549.13 - Step 6: Final answer
x = 186,469.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.